Castañeda Díaz, R., López-Betancur, D., Guerrero-Méndez, C., González-Ramírez, E., Puma-Ttito, F., & Carrera-Escobedo, V. (2026). Spectral analysis of distorted and autoencoder-reconstructed MNIST images in a kernel-induced feature space. International Journal of Combinatorial Optimization Problems and Informatics, 17(3), 287–301. https://doi.org/10.61467/2007.1558.2026.v17i3.1457